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// app/Livewire/Counter.php
class Counter extends Component
{
  public int $count = 0;

  public function increment(): void
  {
    $this->count++;
  }

  public function render(): View
  {
    return view('livewire.counter');
  }
}

<!-- livewire/counter.blade.php -->
<div class="flex items-center gap-4">
  <span class="text-2xl font-bold">
    {{ $count }}
  </span>
  <button
    wire:click="increment"
    class="bg-red-500 text-white
           px-4 py-2 rounded-lg">
    +1
  </button>
</div>